123101011233 has 12 divisors (see below), whose sum is σ = 177926065408. Its totient is φ = 82014959160.

The previous prime is 123101011219. The next prime is 123101011237. The reversal of 123101011233 is 332110101321.

It is not a de Polignac number, because 123101011233 - 2⁶ = 123101011169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123101011237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4350253 + ... + 4378458.

Almost surely, 2^123101011233 is an apocalyptic number.

It is an amenable number.

123101011233 is a deficient number, since it is larger than the sum of its proper divisors (54825054175).

123101011233 is a wasteful number, since it uses less digits than its factorization.

123101011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730284 (or 8730281 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123101011233 its reverse (332110101321), we get a palindrome (455211112554).

The spelling of 123101011233 in words is "one hundred twenty-three billion, one hundred one million, eleven thousand, two hundred thirty-three".